參數資料
型號: MC56F8156VFVE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數字信號處理
英文描述: 16-BIT, 120 MHz, OTHER DSP, PQFP144
封裝: ROHS COMPLIANT, LQFP-144
文件頁數: 118/178頁
文件大?。?/td> 910K
代理商: MC56F8156VFVE
56F8356 Technical Data, Rev. 13
44
Freescale Semiconductor
Preliminary
organized with higher-priority vectors at the top and lower-priority interrupts lower in the table. The
priority of an interrupt can be assigned to different levels, as indicated, allowing some control over
interrupt priorities. All level 3 interrupts will be serviced before level 2, and so on. For a selected priority
level, the lowest vector number has the highest priority.
The location of the vector table is determined by the Vector Base Address (VBA) register. Please see Part
5.6.12 for the reset value of the VBA.
In some configurations, the reset address and COP reset address will correspond to vector 0 and 1 of the
interrupt vector table. In these instances, the first two locations in the vector table must contain branch or
JMP instructions. All other entries must contain JSR instructions.
Note: PWMA, FlexCAN, Quadrature Decoder 1, and Quad Timers B and D are NOT available on the
56F8156 device.
Table 4-5 Interrupt Vector Table Contents1
Peripheral
Vector
Number
Priority
Level
Vector Base
Address +
Interrupt Function
Reserved for Reset Overlay2
Reserved for COP Reset Overlay2
core
2
3
P:$04
Illegal Instruction
core
3
P:$06
SW Interrupt 3
core
4
3
P:$08
HW Stack Overflow
core
5
3
P:$0A
Misaligned Long Word Access
core
6
1-3
P:$0C
OnCE Step Counter
core
7
1-3
P:$0E
OnCE Breakpoint Unit 0
Reserved
core
9
1-3
P:$12
OnCE Trace Buffer
core
10
1-3
P:$14
OnCE Transmit Register Empty
core
11
1-3
P:$16
OnCE Receive Register Full
Reserved
core
14
2
P:$1C
SW Interrupt 2
core
15
1
P:$1E
SW Interrupt 1
core
16
0
P:$20
SW Interrupt 0
core
17
0-2
P:$22
IRQA
core
18
0-2
P:$24
IRQB
Reserved
LVI
20
0-2
P:$28
Low-Voltage Detector (power sense)
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